#include <stdio.h>
#include <sys/types.h>
       #include <unistd.h>
int main(int argc, char *argv[])
{
    printf("THIS IS %d IN %s\n", getpid(), argv[0]);
    int r = execl("b.out", "b.out", "hi", 0);
    printf("SEE THIS LINE ONLY IF execl() FAILED\n");
}
